{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{2}{c}}
\toprule
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}\\
                    &\multicolumn{1}{c}{\shortstack{Attitudinal\\affective polarization}}&\multicolumn{1}{c}{\shortstack{Affective\\polarization (out-)\\party animus only}}\\
\midrule
Assigned to earlier workshop dates&      -0.171         &      -0.188         \\
                    &     [0.109]         &     [0.110]         \\
\addlinespace
Assigned to later workshop dates&       0.034         &       0.006         \\
                    &     [0.125]         &     [0.126]         \\
\addlinespace
Republicans         &      -0.573\sym{***}&      -0.554\sym{***}\\
                    &     [0.119]         &     [0.120]         \\
\addlinespace
Independents        &      -0.809\sym{***}&      -0.638\sym{***}\\
                    &     [0.169]         &     [0.170]         \\
\addlinespace
Recruited from BA listserv&      -0.151         &      -0.270\sym{*}  \\
                    &     [0.109]         &     [0.110]         \\
\addlinespace
Constant            &       0.373\sym{**} &       0.454\sym{***}\\
                    &     [0.120]         &     [0.121]         \\
\midrule
Observations        &         431         &         431         \\
\bottomrule
\end{tabular}
}
